Add base sdk

tests/integration.rs

@@ -0,0 +1,18 @@
+#[cfg(test)]
+mod test {
+    use rust::dagger;
+
+    #[test]
+    fn example_container() {
+        let client = dagger::connect().unwrap();
+        let alpine = client.container().from("alpine:3.16.2").unwrap();
+        let out = alpine
+            .exec(dagger::ContainerExecOpts {
+                args: vec!["cat", "/etc/alpine-release"],
+            })
+            .stdout()
+            .unwrap();
+
+        assert_eq!("3.16.2", out);
+    }
+}